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VSL-Net: Voxel structure learning for 3D object detection
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AI
DOI：10.1016/j.aei.2023.102348.png)
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摘要
En 中文
Current detection methods with single stage generally lack contextual structure information, the classification and location confidence are inconsistent, which are not able to achieve accurate dynamic multi -object detection. Therefore, a VSL-Net method is proposed based on single -stage detection framework, which maps voxels to the point cloud space through voxel structure learning for foreground point segmentation and center estimation. In the voxel feature extraction network, the submanifold sparse convolution is proposed to improve convolution efficiency by reducing operation of null region. In the detection network, a position alignment module is proposed to sample and interpolate in Bird's Eye View. Characteristics of surrounding points are integrated to further improve the accuracy of detection. The proposed VSL-Net method was compared with other excellent method on the Kitti, Waymo and Nuscene datasets. The vehicle detection accuracy of VSL-Net reached 92.12%. Ablation and accuracy detection experiments have completed on a real physical platform. Experiment results showed that the proposed method had portability, strong generalization ability and high detection accuracy.
Keyword:
3D object detection
Single stage algorithm
Voxel structure learning
Submanifold sparse convolution
期刊
IF:
9.9
论文数:
4.5K
被引数:
1.7W
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引用论文
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PREAI
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OAAI
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